secure/lib/libcrypto/arm/armv4cpuid.S

   1 /* $FreeBSD$ */
   2 /* Do not modify. This file is auto-generated from armv4cpuid.pl. */
   3 #include "arm_arch.h"
   4
   5 .text
   6 #if defined(__thumb2__) && !defined(__APPLE__)
   7 .syntax unified
   8 .thumb
   9 #else
  10 .code   32
  11 #undef  __thumb2__
  12 #endif
  13
  14 .align  5
  15 .globl  OPENSSL_atomic_add
  16 .type   OPENSSL_atomic_add,%function
  17 OPENSSL_atomic_add:
  18 #if __ARM_ARCH__>=6
  19 .Ladd:  ldrex   r2,[r0]
  20         add     r3,r2,r1
  21         strex   r2,r3,[r0]
  22         cmp     r2,#0
  23         bne     .Ladd
  24         mov     r0,r3
  25         bx      lr
  26 #else
  27         stmdb   sp!,{r4,r5,r6,lr}
  28         ldr     r2,.Lspinlock
  29         adr     r3,.Lspinlock
  30         mov     r4,r0
  31         mov     r5,r1
  32         add     r6,r3,r2        @ &spinlock
  33         b       .+8
  34 .Lspin: bl      sched_yield
  35         mov     r0,#-1
  36         swp     r0,r0,[r6]
  37         cmp     r0,#0
  38         bne     .Lspin
  39
  40         ldr     r2,[r4]
  41         add     r2,r2,r5
  42         str     r2,[r4]
  43         str     r0,[r6]         @ release spinlock
  44         ldmia   sp!,{r4,r5,r6,lr}
  45         tst     lr,#1
  46         moveq   pc,lr
  47 .word   0xe12fff1e      @ bx    lr
  48 #endif
  49 .size   OPENSSL_atomic_add,.-OPENSSL_atomic_add
  50
  51 .globl  OPENSSL_cleanse
  52 .type   OPENSSL_cleanse,%function
  53 OPENSSL_cleanse:
  54         eor     ip,ip,ip
  55         cmp     r1,#7
  56 #ifdef  __thumb2__
  57         itt     hs
  58 #endif
  59         subhs   r1,r1,#4
  60         bhs     .Lot
  61         cmp     r1,#0
  62         beq     .Lcleanse_done
  63 .Little:
  64         strb    ip,[r0],#1
  65         subs    r1,r1,#1
  66         bhi     .Little
  67         b       .Lcleanse_done
  68
  69 .Lot:   tst     r0,#3
  70         beq     .Laligned
  71         strb    ip,[r0],#1
  72         sub     r1,r1,#1
  73         b       .Lot
  74 .Laligned:
  75         str     ip,[r0],#4
  76         subs    r1,r1,#4
  77         bhs     .Laligned
  78         adds    r1,r1,#4
  79         bne     .Little
  80 .Lcleanse_done:
  81 #if __ARM_ARCH__>=5
  82         bx      lr
  83 #else
  84         tst     lr,#1
  85         moveq   pc,lr
  86 .word   0xe12fff1e      @ bx    lr
  87 #endif
  88 .size   OPENSSL_cleanse,.-OPENSSL_cleanse
  89
  90 .globl  CRYPTO_memcmp
  91 .type   CRYPTO_memcmp,%function
  92 .align  4
  93 CRYPTO_memcmp:
  94         eor     ip,ip,ip
  95         cmp     r2,#0
  96         beq     .Lno_data
  97         stmdb   sp!,{r4,r5}
  98
  99 .Loop_cmp:
 100         ldrb    r4,[r0],#1
 101         ldrb    r5,[r1],#1
 102         eor     r4,r4,r5
 103         orr     ip,ip,r4
 104         subs    r2,r2,#1
 105         bne     .Loop_cmp
 106
 107         ldmia   sp!,{r4,r5}
 108 .Lno_data:
 109         rsb     r0,ip,#0
 110         mov     r0,r0,lsr#31
 111 #if __ARM_ARCH__>=5
 112         bx      lr
 113 #else
 114         tst     lr,#1
 115         moveq   pc,lr
 116 .word   0xe12fff1e      @ bx    lr
 117 #endif
 118 .size   CRYPTO_memcmp,.-CRYPTO_memcmp
 119
 120 #if __ARM_MAX_ARCH__>=7
 121 .arch   armv7-a
 122 .fpu    neon
 123
 124 .align  5
 125 .globl  _armv7_neon_probe
 126 .type   _armv7_neon_probe,%function
 127 _armv7_neon_probe:
 128         vorr    q0,q0,q0
 129         bx      lr
 130 .size   _armv7_neon_probe,.-_armv7_neon_probe
 131
 132 .globl  _armv7_tick
 133 .type   _armv7_tick,%function
 134 _armv7_tick:
 135 #ifdef  __APPLE__
 136         mrrc    p15,0,r0,r1,c14         @ CNTPCT
 137 #else
 138         mrrc    p15,1,r0,r1,c14         @ CNTVCT
 139 #endif
 140         bx      lr
 141 .size   _armv7_tick,.-_armv7_tick
 142
 143 .globl  _armv8_aes_probe
 144 .type   _armv8_aes_probe,%function
 145 _armv8_aes_probe:
 146 #if defined(__thumb2__) && !defined(__APPLE__)
 147 .byte   0xb0,0xff,0x00,0x03     @ aese.8        q0,q0
 148 #else
 149 .byte   0x00,0x03,0xb0,0xf3     @ aese.8        q0,q0
 150 #endif
 151         bx      lr
 152 .size   _armv8_aes_probe,.-_armv8_aes_probe
 153
 154 .globl  _armv8_sha1_probe
 155 .type   _armv8_sha1_probe,%function
 156 _armv8_sha1_probe:
 157 #if defined(__thumb2__) && !defined(__APPLE__)
 158 .byte   0x00,0xef,0x40,0x0c     @ sha1c.32      q0,q0,q0
 159 #else
 160 .byte   0x40,0x0c,0x00,0xf2     @ sha1c.32      q0,q0,q0
 161 #endif
 162         bx      lr
 163 .size   _armv8_sha1_probe,.-_armv8_sha1_probe
 164
 165 .globl  _armv8_sha256_probe
 166 .type   _armv8_sha256_probe,%function
 167 _armv8_sha256_probe:
 168 #if defined(__thumb2__) && !defined(__APPLE__)
 169 .byte   0x00,0xff,0x40,0x0c     @ sha256h.32    q0,q0,q0
 170 #else
 171 .byte   0x40,0x0c,0x00,0xf3     @ sha256h.32    q0,q0,q0
 172 #endif
 173         bx      lr
 174 .size   _armv8_sha256_probe,.-_armv8_sha256_probe
 175 .globl  _armv8_pmull_probe
 176 .type   _armv8_pmull_probe,%function
 177 _armv8_pmull_probe:
 178 #if defined(__thumb2__) && !defined(__APPLE__)
 179 .byte   0xa0,0xef,0x00,0x0e     @ vmull.p64     q0,d0,d0
 180 #else
 181 .byte   0x00,0x0e,0xa0,0xf2     @ vmull.p64     q0,d0,d0
 182 #endif
 183         bx      lr
 184 .size   _armv8_pmull_probe,.-_armv8_pmull_probe
 185 #endif
 186
 187 .globl  OPENSSL_wipe_cpu
 188 .type   OPENSSL_wipe_cpu,%function
 189 OPENSSL_wipe_cpu:
 190 #if __ARM_MAX_ARCH__>=7
 191         ldr     r0,.LOPENSSL_armcap
 192         adr     r1,.LOPENSSL_armcap
 193         ldr     r0,[r1,r0]
 194 #ifdef  __APPLE__
 195         ldr     r0,[r0]
 196 #endif
 197 #endif
 198         eor     r2,r2,r2
 199         eor     r3,r3,r3
 200         eor     ip,ip,ip
 201 #if __ARM_MAX_ARCH__>=7
 202         tst     r0,#1
 203         beq     .Lwipe_done
 204         veor    q0, q0, q0
 205         veor    q1, q1, q1
 206         veor    q2, q2, q2
 207         veor    q3, q3, q3
 208         veor    q8, q8, q8
 209         veor    q9, q9, q9
 210         veor    q10, q10, q10
 211         veor    q11, q11, q11
 212         veor    q12, q12, q12
 213         veor    q13, q13, q13
 214         veor    q14, q14, q14
 215         veor    q15, q15, q15
 216 .Lwipe_done:
 217 #endif
 218         mov     r0,sp
 219 #if __ARM_ARCH__>=5
 220         bx      lr
 221 #else
 222         tst     lr,#1
 223         moveq   pc,lr
 224 .word   0xe12fff1e      @ bx    lr
 225 #endif
 226 .size   OPENSSL_wipe_cpu,.-OPENSSL_wipe_cpu
 227
 228 .globl  OPENSSL_instrument_bus
 229 .type   OPENSSL_instrument_bus,%function
 230 OPENSSL_instrument_bus:
 231         eor     r0,r0,r0
 232 #if __ARM_ARCH__>=5
 233         bx      lr
 234 #else
 235         tst     lr,#1
 236         moveq   pc,lr
 237 .word   0xe12fff1e      @ bx    lr
 238 #endif
 239 .size   OPENSSL_instrument_bus,.-OPENSSL_instrument_bus
 240
 241 .globl  OPENSSL_instrument_bus2
 242 .type   OPENSSL_instrument_bus2,%function
 243 OPENSSL_instrument_bus2:
 244         eor     r0,r0,r0
 245 #if __ARM_ARCH__>=5
 246         bx      lr
 247 #else
 248         tst     lr,#1
 249         moveq   pc,lr
 250 .word   0xe12fff1e      @ bx    lr
 251 #endif
 252 .size   OPENSSL_instrument_bus2,.-OPENSSL_instrument_bus2
 253
 254 .align  5
 255 #if __ARM_MAX_ARCH__>=7
 256 .LOPENSSL_armcap:
 257 .word   OPENSSL_armcap_P-.
 258 #endif
 259 #if __ARM_ARCH__>=6
 260 .align  5
 261 #else
 262 .Lspinlock:
 263 .word   atomic_add_spinlock-.Lspinlock
 264 .align  5
 265
 266 .data
 267 .align  2
 268 atomic_add_spinlock:
 269 .word   0
 270 #endif
 271
 272 .comm   OPENSSL_armcap_P,4,4
 273 .hidden OPENSSL_armcap_P